package com.cuit.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.cuit.mapper.LetterMapper;
import com.cuit.pojo.Letter;
import com.cuit.service.LetterService;
import org.springframework.stereotype.Service;

@Service
public class LetterServiceImpl extends ServiceImpl<LetterMapper, Letter> implements LetterService {
}
